25694130 has 128 divisors (see below), whose sum is σ = 78796800. Its totient is φ = 5315520.

The previous prime is 25694129. The next prime is 25694131. The reversal of 25694130 is 3149652.

It is an interprime number because it is at equal distance from previous prime (25694129) and next prime (25694131).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25694131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 113077 + ... + 113303.

It is an arithmetic number, because the mean of its divisors is an integer number (615600).

Almost surely, 2^25694130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25694130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39398400).

25694130 is an abundant number, since it is smaller than the sum of its proper divisors (53102670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25694130 is a wasteful number, since it uses less digits than its factorization.

25694130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 25694130 is about 5068.9377585447. The cubic root of 25694130 is about 295.0833050187.

The spelling of 25694130 in words is "twenty-five million, six hundred ninety-four thousand, one hundred thirty".